16722637674 has 8 divisors (see below), whose sum is σ = 33445275360. Its totient is φ = 5574212556.

The previous prime is 16722637667. The next prime is 16722637681. The reversal of 16722637674 is 47673622761.

It is an interprime number because it is at equal distance from previous prime (16722637667) and next prime (16722637681).

It is a sphenic number, since it is the product of 3 distinct primes.

16722637674 is an admirable number.

It is a super-2 number, since 2×16722637674² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1393553134 + ... + 1393553145.

It is an arithmetic number, because the mean of its divisors is an integer number (4180659420).

Almost surely, 2^16722637674 is an apocalyptic number.

16722637674 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16722637674 is a wasteful number, since it uses less digits than its factorization.

16722637674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2787106284.

The product of its digits is 3556224, while the sum is 51.

The spelling of 16722637674 in words is "sixteen billion, seven hundred twenty-two million, six hundred thirty-seven thousand, six hundred seventy-four".